22000456443 has 12 divisors (see below), whose sum is σ = 34123157160. Its totient is φ = 12571689312.

The previous prime is 22000456427. The next prime is 22000456453. The reversal of 22000456443 is 34465400022.

It is not a de Polignac number, because 22000456443 - 2⁴ = 22000456427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22000456443.

It is not an unprimeable number, because it can be changed into a prime (22000456453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74831338 + ... + 74831631.

It is an arithmetic number, because the mean of its divisors is an integer number (2843596430).

Almost surely, 2^22000456443 is an apocalyptic number.

22000456443 is a deficient number, since it is larger than the sum of its proper divisors (12122700717).

22000456443 is a wasteful number, since it uses less digits than its factorization.

22000456443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149662986 (or 149662979 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22000456443 its reverse (34465400022), we get a palindrome (56465856465).

The spelling of 22000456443 in words is "twenty-two billion, four hundred fifty-six thousand, four hundred forty-three".